AR Aurigae
AR Aurigae | |
| Data pengamatan Epos J2000 Ekuinoks J2000 | |
|---|---|
| Rasi bintang | Auriga |
| Asensio rekta | 05h 18m 18.8994s |
| Deklinasi | +33° 46′ 02.454″ |
| Magnitudo tampak (V) | 6.143 |
| Ciri-ciri | |
| Kelas spektrum | B9.5V |
| Indeks warna U−B | -0.18 |
| Indeks warna B−V | -0.06 |
| Jenis variabel | Algol variable |
| Astrometri | |
| Kecepatan radial (Rv) | 25.4 km/s |
| Gerak diri (μ) | RA: 15.09 mdb/thn Dek.: -29.06 mdb/thn |
| Paralaks (π) | 8,2±0,78 mdb |
| Jarak | 400 ± 40 tc (120 ± 10 pc) |
| Magnitudo mutlak (MV) | 6.099 |
| Detail | |
| Massa | 18 M☉ |
| Radius | 7 R☉ |
| Luminositas | 20,000 L☉ |
| Suhu | 10,000–30,000 K |
| Rotasi | 58 Km/s 0,0167514 Year |
| Penamaan lain | |
| Referensi basis data | |
| SIMBAD | data |
| Sumber data: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
AR Aurigae (AR Aur) atau 17 Aurigae adalah bintang ganda ekliptik yang berada di rasi Auriga. Bintang ini berada pada jarak 398 tahun cahaya dari Bumi. Kedua komponennya merupakan bintang katai biru keputihan tipe B (blue-white B-type main main sequence dwarf). Kedua bintang ini memiliki magnitudo rata-rata 6.15.
Asterisme
Selain rasi Auriga, bintang ini juga merupakan anggota dari asterisma berikut:
| nama rasi / asterisma | asal | arti | anggota lainnya |
|---|---|---|---|
| Flying Minnow[1] | sejenis ikan air tawar | 16 Aur, 19 Aur, 18 Aur |
Referensi
- HR 1728
- HR 1728 Diarsipkan 2011-11-22 di Wayback Machine.
- Image AR Aurigae
- ^ "Salinan arsip". Diarsipkan dari asli tanggal 2011-01-01. Diakses tanggal 2011-01-01.
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